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Old Jun 13, 2011, 05:09 PM   #1
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Ten Most Common iPhone Passcodes Revealed







iOS developer Daniel Amitay today took an interesting look (via The Next Web) at iPhone passcode trends as revealed by usage of his popular Big Brother Camera Security application.
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In my last update to Big Brother Camera Security (Free), I added some code to record common user passcodes (completely anonymous, of course). Because Big Brother's passcode setup screen and lock screen are nearly identical to those of the actual iPhone passcode lock, I figured that the collected information would closely correlate with actual iPhone passcodes.
Perhaps unsurprisingly, the most popular passcode for the app was "1234", a choice made by about 4.3% of users. Other popular codes include ones with repeating numbers (such as "0000" and "1111") and patterns on the keypad (such as "2580" and "1212"). All told, Amitay discovered that 15% of the over 200,000 passcodes captured by his app were represented by just ten different passcodes.
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The implication? A thief (or just a prankster) could safely try 10 different passcodes on your iPhone without initiating the data wipe. With a 15% success rate, about 1 in 7 iPhones would easily unlock--even more if the intruder knows the users' years of birth, relationship status, etc.
Beyond the passcodes representing repetitive and patterned entries, Amitay found a higher-than-expected frequency of passcodes in the 1980-2000 range, suggesting that users are prone to using their birth years or years of other significant events in their lives as their passcodes.

Article Link: Ten Most Common iPhone Passcodes Revealed
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Old Jun 13, 2011, 05:13 PM   #2
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So we could say there are a lot of people born in 1998 with an iPhone?
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Old Jun 13, 2011, 05:13 PM   #3
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My passcode is 1337. Haha.
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Old Jun 13, 2011, 05:15 PM   #4
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wow... 1,425 people in that chart have use the word "love" as a password... interesting
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Old Jun 13, 2011, 05:25 PM   #5
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Good to know so I can hack other's iPhones. Just kidding.

Mine isn't on there. Obviously.
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Old Jun 13, 2011, 05:26 PM   #6
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Oh, FFS, do I have to do the Spaceballs quote?

1234? Really? Good thing Apple developed Remote Wipe, then.
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Old Jun 13, 2011, 05:33 PM   #7
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My passcode is 8852.
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Old Jun 13, 2011, 05:40 PM   #8
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Originally Posted by jpcanaverde View Post
My passcode is 1337. Haha.
Same here... It's popular, I guess.
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Old Jun 13, 2011, 05:49 PM   #9
Phil A.
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Interesting as this is, I feel that collecting passcodes and sending them back to the developer (anonymised or not) is well out of order and may breach several Apple guidelines on data capture and use, not to mention data protection laws
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Old Jun 13, 2011, 05:51 PM   #10
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Originally Posted by Phil A. View Post
Interesting as this is, I feel that collecting passcodes and sending them back to the developer (anonymised or not) is well out of order and may breach several Apple guidelines on data capture and use, not to mention data protection laws
I agree. Though, you could argue he's not really recording lockscreen passwords (I don't think you could do that through an app either way) but rather he implemented a screen that looked very much like it and so its users put in their lockscreen one. Tricky and deceitful, I guess.
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Old Jun 13, 2011, 05:55 PM   #11
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Originally Posted by ratzzo View Post
I agree. Though, you could argue he's not really recording lockscreen passwords (I don't think you could do that through an app either way) but rather he implemented a screen that looked very much like it and so its users put in their lockscreen one. Tricky and deceitful, I guess.
He's not tricking users into thinking they're at the lock screen, his application simply uses the same lock mechanism. He then published some anonymous results. In what was is that tricky, deceitful, or wrong?
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Old Jun 13, 2011, 05:55 PM   #12
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I wish this info was on the splash page of every computer. We DO need to tighten up. Sony hack, IMF hack, Citi hack, I bet Sony was using 1234 on data like my credit card or what not. Jeeze.
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Old Jun 13, 2011, 05:55 PM   #13
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Old Jun 13, 2011, 05:59 PM   #14
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Ones I have previously used:

1998
0303
3466
1112
2559
2010
2011
2012
2016

New super secret one now
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Old Jun 13, 2011, 06:01 PM   #15
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Quote:
Originally Posted by TuffLuffJimmy View Post
He's not tricking users into thinking they're at the lock screen, his application simply uses the same lock mechanism. He then published some anonymous results. In what was is that tricky, deceitful, or wrong?
This quote here
Quote:
In my last update to Big Brother Camera Security (Free), I added some code to record common user passcodes (completely anonymous, of course). Because Big Brother's passcode setup screen and lock screen are nearly identical to those of the actual iPhone passcode lock, I figured that the collected information would closely correlate with actual iPhone passcodes.
He's sending information gathered by the application back to himself, and I don't see a notice about doing that in the application description (it may say it on the app: I've never installed it so don't know). I don't care if it's anonymised or not, no application should "phone home" without the express permission of the user who's installed it
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Old Jun 13, 2011, 06:03 PM   #16
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Quote:
Originally Posted by cambookpro View Post
New super secret one now
Gotta.. fight.. curiosity...

Bah, mine used to be the same one as my credit card, probably a bit dangerous. So I changed it to 9315.
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Old Jun 13, 2011, 06:12 PM   #17
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Remind me to change my passcode.... :P
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Old Jun 13, 2011, 06:16 PM   #18
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Quote:
Originally Posted by Phil A. View Post
This quote here


He's sending information gathered by the application back to himself, and I don't see a notice about doing that in the application description (it may say it on the app: I've never installed it so don't know). I don't care if it's anonymised or not, no application should "phone home" without the express permission of the user who's installed it
+1. If I create a passcode I would assume it is not stored in plain text anywhere. Much less combine it with all of your other customers to say what they are. I have a web site where customers login in with a password. We encrypt it and store it in the database. When the customer comes back they enter the passcode which we encrypt and compare. Never do we retain the original passcode.
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Old Jun 13, 2011, 06:39 PM   #19
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Old Jun 13, 2011, 06:45 PM   #20
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Old Jun 13, 2011, 07:24 PM   #21
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Old Jun 13, 2011, 07:42 PM   #22
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That's creepy. This is the price for "free"? How can the app upload the user's passcode (most people will set the same code for this app anyway) without permission?
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Old Jun 13, 2011, 07:42 PM   #23
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I use a pseudo-random number generator to pick my passcodes and I change it once every 15 minutes, just to be super-secure. That's how I can be confident that nobody will see my top-secret data, such as the note saying "bring bread and milk on the way home".

Of course that means that once in a while my passcode is 1234 or 0000!
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Old Jun 13, 2011, 07:45 PM   #24
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Well this just proves that most iPhone users are foolish, why even put a pass code on your device if it is that simple! If I used a passcode it would also be 1337.

This is such an interesting report, I love this!
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Old Jun 13, 2011, 08:00 PM   #25
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I wouldn't be a happy user of that app if I used one of those 10 passwords and they just shared it with the world.

And if my phone is broken into because I use the same passcode...

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